Examples with SymbolTable org.wso2.ballerinalang.compiler.semantics.model.SymbolTable used on opensource projects

Example 1 with SymbolTable

use of org.wso2.ballerinalang.compiler.semantics.model.SymbolTable in project ballerina by ballerina-lang.

the class ParserUtils method getBuiltinTypes.

/**
 * Get the builtin types.
 *
 * @return {@link List} list of builtin types
 */
public static List<SymbolInformation> getBuiltinTypes() {
    CompilerContext context = prepareCompilerContext("", "");
    SymbolTable symbolTable = SymbolTable.getInstance(context);
    List<SymbolInformation> symbolInformationList = new ArrayList<>();
    // TODO: Need to fill the default values
    symbolTable.rootScope.entries.forEach((key, value) -> {
        if (value.symbol instanceof BTypeSymbol) {
            SymbolInformation symbolInfo = new SymbolInformation();
            String symbolName = value.symbol.getName().getValue();
            if (!symbolName.equals(BuiltInType.INVALID_TYPE)) {
                symbolInfo.setName(symbolName);
                setDefaultValuesForType(symbolName, symbolInfo);
                symbolInformationList.add(symbolInfo);
            }
        }
    });
    return symbolInformationList;
}

Example 2 with SymbolTable

use of org.wso2.ballerinalang.compiler.semantics.model.SymbolTable in project ballerina by ballerina-lang.

the class Symbols method createTypeofOperatorSymbol.

public static BOperatorSymbol createTypeofOperatorSymbol(BType exprType, Types types, SymbolTable symTable, Names names) {
    List<BType> paramTypes = Lists.of(exprType);
    List<BType> retTypes = Lists.of(symTable.typeDesc);
    BInvokableType opType = new BInvokableType(paramTypes, retTypes, null);
    if (types.isValueType(exprType)) {
        return new BOperatorSymbol(names.fromString(OperatorKind.TYPEOF.value()), symTable.rootPkgSymbol.pkgID, opType, symTable.rootPkgSymbol, InstructionCodes.TYPELOAD);
    } else {
        return new BOperatorSymbol(names.fromString(OperatorKind.TYPEOF.value()), symTable.rootPkgSymbol.pkgID, opType, symTable.rootPkgSymbol, InstructionCodes.TYPEOF);
    }
}

Example 3 with SymbolTable

use of org.wso2.ballerinalang.compiler.semantics.model.SymbolTable in project ballerina by ballerina-lang.

the class ASTBuilderUtil method wrapToConversionExpr.

static BLangExpression wrapToConversionExpr(BType sourceType, BLangExpression exprToWrap, SymbolTable symTable, Types types) {
    if (types.isSameType(sourceType, exprToWrap.type) || !isValueType(exprToWrap.type)) {
        // No conversion needed.
        return exprToWrap;
    }
    BLangTypeConversionExpr castExpr = (BLangTypeConversionExpr) TreeBuilder.createTypeConversionNode();
    castExpr.expr = exprToWrap;
    castExpr.conversionSymbol = Symbols.createUnboxValueTypeOpSymbol(symTable.anyType, exprToWrap.type);
    castExpr.type = exprToWrap.type;
    return castExpr;
}

Example 4 with SymbolTable

use of org.wso2.ballerinalang.compiler.semantics.model.SymbolTable in project ballerina by ballerina-lang.

the class PackageActionFunctionAndTypesFilter method invocationsAndFieldsOnIdentifier.

/**
 * Get the invocations and fields against an identifier (functions, struct fields and types including the enums).
 * @param context     Text Document Service context (Completion Context)
 * @param delimiterIndex        delimiter index (index of either . or :)
 * @return {@link ArrayList}    List of filtered symbol info
 */
private ArrayList<SymbolInfo> invocationsAndFieldsOnIdentifier(TextDocumentServiceContext context, int delimiterIndex) {
    ArrayList<SymbolInfo> actionFunctionList = new ArrayList<>();
    TokenStream tokenStream = context.get(DocumentServiceKeys.TOKEN_STREAM_KEY);
    List<SymbolInfo> symbols = context.get(CompletionKeys.VISIBLE_SYMBOLS_KEY);
    SymbolTable symbolTable = context.get(DocumentServiceKeys.SYMBOL_TABLE_KEY);
    String variableName = CommonUtil.getPreviousDefaultToken(tokenStream, delimiterIndex).getText();
    SymbolInfo variable = this.getVariableByName(variableName, symbols);
    String builtinPkgName = symbolTable.builtInPackageSymbol.name.getValue();
    Map<Name, Scope.ScopeEntry> entries = new HashMap<>();
    String currentPkgName = context.get(DocumentServiceKeys.CURRENT_PACKAGE_NAME_KEY);
    if (variable == null) {
        return actionFunctionList;
    }
    String packageID;
    BType bType = variable.getScopeEntry().symbol.getType();
    String bTypeValue;
    if (variable.getScopeEntry().symbol instanceof BEndpointVarSymbol) {
        BType getClientFuncType = ((BEndpointVarSymbol) variable.getScopeEntry().symbol).getClientFunction.type;
        if (!UtilSymbolKeys.ACTION_INVOCATION_SYMBOL_KEY.equals(tokenStream.get(delimiterIndex).getText()) || !(getClientFuncType instanceof BInvokableType)) {
            return actionFunctionList;
        }
        BType boundType = ((BInvokableType) getClientFuncType).retTypes.get(0);
        packageID = boundType.tsymbol.pkgID.toString();
        bTypeValue = boundType.toString();
    } else if (bType instanceof BArrayType) {
        packageID = ((BArrayType) bType).eType.tsymbol.pkgID.toString();
        bTypeValue = bType.toString();
    } else {
        packageID = bType.tsymbol.pkgID.toString();
        bTypeValue = bType.toString();
    }
    // Extract the package symbol. This is used to extract the entries of the particular package
    SymbolInfo packageSymbolInfo = symbols.stream().filter(item -> {
        Scope.ScopeEntry scopeEntry = item.getScopeEntry();
        return (scopeEntry.symbol instanceof BPackageSymbol) && scopeEntry.symbol.pkgID.toString().equals(packageID);
    }).findFirst().orElse(null);
    if (packageSymbolInfo == null && packageID.equals(builtinPkgName)) {
        // If the packageID is ballerina.builtin, we extract entries of builtin package
        entries = symbolTable.builtInPackageSymbol.scope.entries;
    } else if (packageSymbolInfo == null && packageID.equals(currentPkgName)) {
        entries = this.getScopeEntries(bType, context);
    } else if (packageSymbolInfo != null) {
        // If the package exist, we extract particular entries from package
        entries = packageSymbolInfo.getScopeEntry().symbol.scope.entries;
    }
    entries.forEach((name, scopeEntry) -> {
        if (scopeEntry.symbol instanceof BInvokableSymbol && ((BInvokableSymbol) scopeEntry.symbol).receiverSymbol != null) {
            String symbolBoundedName = ((BInvokableSymbol) scopeEntry.symbol).receiverSymbol.getType().toString();
            if (symbolBoundedName.equals(bTypeValue)) {
                // TODO: Need to handle the name in a proper manner
                String[] nameComponents = name.toString().split("\\.");
                SymbolInfo actionFunctionSymbol = new SymbolInfo(nameComponents[nameComponents.length - 1], scopeEntry);
                actionFunctionList.add(actionFunctionSymbol);
            }
        } else if ((scopeEntry.symbol instanceof BTypeSymbol) && bTypeValue.equals(scopeEntry.symbol.type.toString())) {
            // Get the struct fields
            Map<Name, Scope.ScopeEntry> fields = scopeEntry.symbol.scope.entries;
            fields.forEach((fieldName, fieldScopeEntry) -> {
                actionFunctionList.add(new SymbolInfo(fieldName.getValue(), fieldScopeEntry));
            });
        }
    });
    // Populate possible iterable operators over the variable
    populateIterableOperations(variable, actionFunctionList);
    return actionFunctionList;
}

Example 5 with SymbolTable

use of org.wso2.ballerinalang.compiler.semantics.model.SymbolTable in project ballerina by ballerina-lang.

the class BallerinaDocGenerator method loadBuiltInPackage.

private static BLangPackage loadBuiltInPackage(CompilerContext context) {
    SymbolTable symbolTable = SymbolTable.getInstance(context);
    // Load built-in packages.
    BLangPackage builtInPkg = getBuiltInPackage(context);
    symbolTable.builtInPackageSymbol = builtInPkg.symbol;
    return builtInPkg;
}